Home / 1,233,965.40-1,702,958.94-690,151.80

Finding the Fourth Proportional to 1,233,965.40, 1,702,958.94 and 690,151.80

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Solution

The fourth proportional to 1,233,965.40, 1,702,958.94 and 690,151.80 is: 952,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,965.40 : 1,702,958.94 = 690,151.80 : x
  2. Step 2: Convert to fraction form
    1,233,965.40/1,702,958.94 = 690,151.80/x
  3. Step 3: Cross multiply
    1,233,965.40x = 1,702,958.94 × 690,151.80
  4. Step 4: Simplify right side
    1,233,965.40x = 1,175,300,177,767.09
  5. Step 5: Solve for x
    x = 1,175,300,177,767.09/1,233,965.40
  6. Step 6: Final answer
    x = 952,457.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.